public void Write_should_create_file()
{
// Arrange
_sut.Open(_outputTxtPath, CSVReaderWriter.Mode.Write);
// Act
_sut.Write(new[] { _testName, _testAddress });
// Assert
Assert.IsTrue(new FileInfo(_outputTxtPath).Exists);
}
public void Should_WriteCorrectlyToCsvWritter_WhenOpeningModeIsWrite()
{
// Arrange
// Act
_subject.Open("TestFileName.csv", CSVReaderWriter.Mode.Write);
_subject.Write("Value1");
// Assert
_csvWriterMock.Verify(m => m.Write("Value1"), Times.Once);
}
public void FileWriterIsCalledWhenCallingWrite()
{
var columns = new[] { "one", "two" };
var handleStreams = A.Fake <IHandleStreams>();
handleStreams.StreamWriter = new StreamWriter(new MemoryStream(Encoding.Default.GetBytes("hi")));
var mode = CSVReaderWriter.Mode.Write;
A.CallTo(() => _fileOpener.Open("someFile", mode)).Returns(handleStreams);
_csvReaderWriter.Open("someFile", mode);
_csvReaderWriter.Write(columns);
A.CallTo(() => _fileWriter.Write(columns, handleStreams)).MustHaveHappened();
}
public void Should_write_line()
{
_CSVReaderWriter.Open(TestInputFile, CSVReaderWriter.Mode.Write);
var columns = new string[] { Column1Value, Column2Value };
_CSVReaderWriter.Write(columns);
_stream.Position = 0;
var addedLine = new StreamReader(_stream).ReadToEnd();
Assert.That(addedLine, Is.EqualTo(string.Join("\t", columns) + "\r\n"));
}
public void WriteCsvFile()
{
//Write test file
using (var writer = new CSVReaderWriter())
{
writer.Open(_testWriteDataFile, CSVReaderWriter.Mode.Write);
foreach (var testAddress in _mailAddressTests)
{
writer.Write(testAddress.Name, testAddress.Address);
}
writer.Close();
}
//Read test file
var contacts = new List <Contact>();
using (var reader = new CSVReaderWriter())
{
reader.Open(_testWriteDataFile, CSVReaderWriter.Mode.Read);
string column1, column2;
while (reader.Read(out column1, out column2))
{
contacts.Add(new Contact(column1, column2));
}
reader.Close();
}
CollectionAssert.AreEqual(_mailAddressTests, contacts);
}
public void Write_Method_Should_not_throw_Exception_when_empty_string_array_is_passed()
{
var csvReaderWriter = new CSVReaderWriter();
Assert.DoesNotThrow(() => csvReaderWriter.Write(new string[] {}));
csvReaderWriter.Close();
}
public void WhenInReadMode_WritingToAFile_Then_ThrowsAnError()
{
using (var readerWriter = new CSVReaderWriter())
{
var mode = CSVReaderWriter.Mode.Read;
readerWriter.Open(_currentDirectory + _csvWriteTestData, mode);
Assert.Throws <ArgumentNullException>(() => readerWriter.Write());
}
}
public void Should_throw_on_write_columns_with_empty()
{
CSVReaderWriter csvReaderWriter = new CSVReaderWriter();
string fileName = GetTempFilePath();
csvReaderWriter.Open(fileName, CSVReaderWriter.Mode.Write);
Assert.Throws <ArgumentException>(() => { csvReaderWriter.Write("COL 1", "", "Test"); });
}
public void Should_throw_on_write_null_columns()
{
CSVReaderWriter csvReaderWriter = new CSVReaderWriter();
string fileName = GetTempFilePath();
csvReaderWriter.Open(fileName, CSVReaderWriter.Mode.Write);
Assert.Throws <ArgumentNullException>(() => { csvReaderWriter.Write(null); });
}
public void Write_WriterIsDisposed_ThrowException()
{
var csv = new CSVReaderWriter(It.IsAny <ICSVReader>(), null);
csv.Close();
var ex = Assert.Throws <NullReferenceException>(() => csv.Write(It.IsAny <string[]>()));
Assert.AreEqual("The file writer is closed. Please reopen it.", ex.Message);
}
public void Should_write_with_the_CSVWriter()
{
string[] columns = { };
_csvReaderWriter.Write(columns);
_csvWriter.Verify(x => x.Write(columns));
_csvReaderWriter.Close();
}
public void WriteToFile_AndThenReadWrittenContent()
{
CSVReaderWriter.Open(TestOutputFile, CSVReaderWriter.Mode.Write);
var columns = new string[] { "Column1", "Column2" };
CSVReaderWriter.Write(columns);
CSVReaderWriter.Close();
CSVReaderWriter.Open(TestOutputFile, CSVReaderWriter.Mode.Read);
string column1, column2;
var read = CSVReaderWriter.Read(out column1, out column2);
Assert.IsTrue(read);
Assert.IsNotNullOrEmpty(column1);
Assert.IsNotNullOrEmpty(column2);
Assert.That(column1.Equals(columns[0]));
Assert.That(column2.Equals(columns[1]));
}
public void Write_ExistingFile()
{
var csvWriter = new CSVReaderWriter();
csvWriter.Open(TestExistingOutputFile, CSVReaderWriter.Mode.Write);
csvWriter.Write("testing 1-1", "testing 1-2");
csvWriter.Write("testing 2-1", "testing 2-2", "testing 2-3");
csvWriter.Close();
var expected = "testing 1-1\ttesting 1-2\r\ntesting 2-1\ttesting 2-2\ttesting 2-3\r\n";
string output;
using (var outFile = File.OpenText(TestExistingOutputFile))
{
output = outFile.ReadToEnd();
}
Assert.That(expected, Is.EqualTo(output));
}
public void Write_should_call_Writers_write()
{
//arrange
string col1 = "column 1";
string col2 = "column 2";
// act
_csvReaderWriter.Write(col1, col2);
// assert
_csvWriter.Verify(c => c.Write(col1, col2));
}
public void canNotWriteToFileIfInReadMode()
{
CSVReaderWriter rw = new CSVReaderWriter();
try
{
rw.Open(TestInputFileForEditing, Mode.Read);
rw.Write(new string[] { "some data col1", "some more data for col2" });
} finally
{
rw.Close();
}
}
public void Write_Method_Should_write_to_the_file()
{
var csvReaderWriter = new CSVReaderWriter();
csvReaderWriter.Open(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestOutputFile), CSVReaderWriter.Mode.Write);
csvReaderWriter.Write(new string[] { "This", "should", "be", "written", "to", "the", "file" });
csvReaderWriter.Close();
Assert.True(File.Exists(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestOutputFile)));
File.Delete(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestOutputFile));
}
public void Read_When_Only_First_Column_Exists_Throws_Exception()
{
var csvReadWriter = new CSVReaderWriter();
csvReadWriter.Open(@"test_data\test.txt", CSVReaderWriter.Mode.Write);
csvReadWriter.Write("test line 1 Column 1");// The Read functionality forces to create the file with two columns which is quite rigid.
csvReadWriter.Close();
string column1 = null;
string column2 = null;
csvReadWriter.Open(@"test_data\test.txt", CSVReaderWriter.Mode.Read);
Assert.Throws <IndexOutOfRangeException>(() => csvReadWriter.Read(out column1, out column2));
}
public void Should_write_columns_faster_with_updates()
{
CSVReaderWriter csvReaderWriter = new CSVReaderWriter();
string fileName = GetTempFilePath();
csvReaderWriter.Open(fileName, CSVReaderWriter.Mode.Write);
DateTime startTime = DateTime.Now;
for (int i = 0; i < 10000; i++)
{
csvReaderWriter.Write("COL 1", "column 2", "Test");
}
DateTime endTime = DateTime.Now;
csvReaderWriter.Close();
TimeSpan updatedDuration = endTime.Subtract(startTime);
CSVReaderWriterForAnnotation oldCsvReaderWriter = new CSVReaderWriterForAnnotation();
fileName = GetTempFilePath();
oldCsvReaderWriter.Open(fileName, CSVReaderWriterForAnnotation.Mode.Write);
startTime = DateTime.Now;
for (int i = 0; i < 100000; i++)
{
oldCsvReaderWriter.Write("COL 1", "column 2", "Test");
}
endTime = DateTime.Now;
oldCsvReaderWriter.Close();
TimeSpan oldDuration = endTime.Subtract(startTime);
string newTime = updatedDuration.ToString("c");
string oldTime = oldDuration.ToString("c");
System.Diagnostics.Debug.Write(newTime);
System.Diagnostics.Debug.Write(oldTime);
Assert.Less(updatedDuration.Ticks, oldDuration.Ticks);
}
public void CSVReaderWriter_Write_ValidNullData()
{
bool writeLineCalled = false;
MockDataWriter mockWriter = new MockDataWriter();
mockWriter.WriteLineDelegate =
(s) =>
{
Assert.AreEqual(string.Empty, s);
writeLineCalled = true;
};
var csvReaderWriter = new CSVReaderWriter(null, mockWriter, delimiter);
csvReaderWriter.Write(null);
Assert.True(writeLineCalled);
}
public void CSVReaderWriter_Write_ValidSingleValueData()
{
bool writeLineCalled = false;
MockDataWriter mockWriter = new MockDataWriter();
mockWriter.WriteLineDelegate =
(s) =>
{
Assert.AreEqual("somedata", s);
writeLineCalled = true;
};
var csvReaderWriter = new CSVReaderWriter(null, mockWriter, delimiter);
csvReaderWriter.Write("somedata");
Assert.True(writeLineCalled);
}
public void Open_For_Write_When_WriterStream_Initialized_Write_Data()
{
var csvReadWriter = new CSVReaderWriter();
csvReadWriter.Open(@"test_data\test.txt", CSVReaderWriter.Mode.Write);
csvReadWriter.Write("test line 1 Column 1", "test line 1 Column 2");// The functionality forces to create the file with two columns which is quite rigid.
csvReadWriter.Close();
string column1 = null;
string column2 = null;
csvReadWriter.Open(@"test_data\test.txt", CSVReaderWriter.Mode.Read);
csvReadWriter.Read(out column1, out column2);
csvReadWriter.Close();
Assert.AreEqual("test line 1 Column 1", column1);
Assert.AreEqual("test line 1 Column 2", column2);
}
public void CSVReaderWriter_Write_ValidMultiValueData()
{
bool writeLineCalled = false;
MockDataWriter mockWriter = new MockDataWriter();
mockWriter.WriteLineDelegate =
(s) =>
{
Assert.AreEqual(string.Join(delimiter.ToString(), new string[] { "data1", "data2", "data3" }), s);
writeLineCalled = true;
};
var csvReaderWriter = new CSVReaderWriter(null, mockWriter, delimiter);
csvReaderWriter.Write("data1", "data2", "data3");
Assert.True(writeLineCalled);
}
public void Write_Method_can_write_to_file()
{
string expectedFilePath = @"test_data\file_with_content_to_write_to.txt";
var fileToWriteTo = new FileInfo(expectedFilePath);
fileToWriteTo.Delete();
Assert.That(!fileToWriteTo.Exists, string.Format("File should have been deleted {0} \n but still exists", fileToWriteTo.FullName));
_subject.Open(expectedFilePath, CSVReaderWriter.Mode.Write);
string[] columns = new string[] { "First Column", "Second column", "Third column" };
_subject.Write(columns);
_subject.Close();
var actualFile = new FileInfo(expectedFilePath);
Assert.That(actualFile.Exists, string.Format("File was not created in {0}", actualFile.FullName));
Assert.That(actualFile.Length, Is.Not.EqualTo(0), string.Format("File was empty in {0}", actualFile.FullName));
}
public void TestCSVWrite()
{
CSVReaderWriter writer = new CSVReaderWriter();
writer.Open(testOutputFile, CSVReaderWriter.Mode.Write);
string[] line = File.ReadAllLines(testInputFile);
int maxLines = 5;
for (int i = 0; i < maxLines; i++)
{
writer.Write(line[i].Split(separator));
}
var outputFile = new FileInfo(testOutputFile);
Assert.IsTrue(outputFile.Exists);
Assert.IsTrue(outputFile.Length > 0);
Assert.AreEqual(File.ReadAllLines(outputFile.FullName).Count(), maxLines);
}
public void canWriteToFile()
{
CSVReaderWriter rw = new CSVReaderWriter();
//write could generate a random string to compare with the read but keeping it simple for now
rw.Open(TestInputFileForEditing, Mode.Write);
rw.Write(new string[] { "some data col1 asdfasdfasdf", "some more data for col2" });
rw.Close();
//read what was written
rw.Open(TestInputFileForEditing, Mode.Read);
string col1 = "", col2 = "";
bool result = rw.Read(out col1, out col2);
rw.Close();
Assert.That(col1, Is.EquivalentTo("some data col1 asdfasdfasdf"));
Assert.That(col2, Is.EquivalentTo("some more data for col2"));
Assert.That(result, Is.True);
}
public void WhenInWriteMode_WithValidFilePath_Then_WritesSuccesffully()
{
using (var readerWriter = new CSVReaderWriter())
{
var mode = CSVReaderWriter.Mode.Write;
var expectedWiteText1 = @"I am a writer";
var expectedWiteText2 = @"I just wrote this";
readerWriter.Open(_currentDirectory + _csvWriteTestData, mode);
readerWriter.Write(expectedWiteText1, expectedWiteText2);
//then open the file and verify written content
mode = CSVReaderWriter.Mode.Read;
string col1, col2;
readerWriter.Open(_currentDirectory + _csvWriteTestData, mode);
var actual = readerWriter.Read(out col1, out col2);
Assert.IsTrue(actual);
Assert.That(col1, Is.EqualTo(expectedWiteText1));
Assert.That(col2, Is.EqualTo(expectedWiteText2));
}
}
public void Should_create_email_mailshot()
{
using (var reader = new CSVReaderWriter()) {
bool status = reader.Open(TestOutputDir + "TestEmail.csv", CSVReaderWriter.Mode.Write);
if (status)
{
reader.Write("A Test Name", "*****@*****.**");
}
}
using (var reader = new CSVReaderWriter())
{
bool status = reader.Open(TestOutputDir + "TestEmail.csv", CSVReaderWriter.Mode.Read);
if (status)
{
string column1, column2;
reader.Read(out column1, out column2);
Assert.AreEqual("A Test Name", column1);
}
}
}
public void Should_write_columns()
{
CSVReaderWriter csvReaderWriter = new CSVReaderWriter();
string fileName = GetTempFilePath();
csvReaderWriter.Open(fileName, CSVReaderWriter.Mode.Write);
csvReaderWriter.Write("COL 1", "column 2", "Test");
csvReaderWriter.Close();
string contents = string.Empty;
using (FileStream inputStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (StreamReader reader = new StreamReader(inputStream))
{
contents = reader.ReadToEnd();
}
}
Assert.IsNotNullOrEmpty(contents);
//strip newline
contents = contents.Replace(Environment.NewLine, string.Empty);
string[] columnsFromFile = contents.Split('\t');
Assert.AreEqual(3, columnsFromFile.Length);
Assert.AreEqual("COL 1", columnsFromFile[0]);
Assert.AreEqual("column 2", columnsFromFile[1]);
Assert.AreEqual("Test", columnsFromFile[2]);
}
public void Read_and_Write_Methods_Should_read_and_write_file()
{
var reader = new CSVReaderWriter();
var writer = new CSVReaderWriter();
int counter = 0;
reader.Open(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestInputFile), CSVReaderWriter.Mode.Read);
writer.Open(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestOutputFile), CSVReaderWriter.Mode.Write);
string column1, column2;
while (reader.Read(out column1, out column2))
{
writer.Write(new string[] { column1, column2 });
counter++;
}
reader.Close();
writer.Close();
Assert.That(counter, Is.EqualTo(229));
Assert.True(File.Exists(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestOutputFile)));
File.Delete(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, TestOutputFile));
}
public void CSVReaderWriter_Write_NullWriter()
{
var csvReaderWriter = new CSVReaderWriter(null, null, delimiter);
Assert.Throws <ApplicationException>(() => csvReaderWriter.Write("somedata"));
}